+ Air-conditioning and refrigeration equipment
          - fan coil units
          - AHU
          - cooling tower
          - air curtain
          - refrigeration condensing unit
          - refrigeration unit cooler
          - water pump
+ Air-conditioning and refrigeration compressor
+ Heat Exchanger
+ Automatic control
+ Flow control
+ Air moving equipment and component
+ Electrical component
+ Chemical
+ Tools
+ Accessory

Air curtain

National, Mcquary, Teco, Valuecon
600mm , 900mm , 1200mm , 1500mm air curtain, 2 speed control, remote control